## Search found 108 matches

Sat Oct 12, 2019 10:46 am
Forum: Properties of Electrons
Topic: Wave properties
Replies: 5
Views: 46

### Re: Wave properties

De Broglie's equation is basically used to describe the wave-like properties of matter. It suggests that particles with extremely small masses like electrons exhibit properties of waves that can be detected.
Sat Oct 12, 2019 10:41 am
Forum: SI Units, Unit Conversions
Topic: knowing how many sig figs to use
Replies: 17
Views: 252

### Re: knowing how many sig figs to use

I would say when you are working on intermediate calculations, then have more numbers and at the end round to correct number because if you round to close in the intermediate calculations that can affect your final answer by a lot.
Tue Oct 01, 2019 1:47 pm
Forum: Molarity, Solutions, Dilutions
Topic: Symbol for Molarity
Replies: 7
Views: 110

### Re: Symbol for Molarity

Sometimes if I am working with molar mass and Molarity I just write down the units rather than M
Tue Oct 01, 2019 1:46 pm
Forum: Significant Figures
Topic: Answer is a little off?
Replies: 4
Views: 86

### Re: Answer is a little off?

My answers also have been of because depending on which periodic table you use the masses are a little different and also how you round and when you round affects your answer as well.
Tue Oct 01, 2019 1:45 pm
Forum: Significant Figures
Topic: Sig Fig Decimal
Replies: 10
Views: 125

### Re: Sig Fig Decimal

114=114.
They both mean the same thing and they both have 3 sig figs
Tue Oct 01, 2019 1:43 pm
Forum: Empirical & Molecular Formulas
Topic: Homework Problem E.9c
Replies: 5
Views: 87

### Re: Homework Problem E.9c

The problem refers to a heptahydrate and you have to account for its mass and moles when doing problems regarding it.
Tue Oct 01, 2019 1:41 pm
Forum: Ionic & Covalent Bonds
Topic: Ionic vs Covalent
Replies: 29
Views: 3598

### Re: Ionic vs Covalent

Most often Ionic bonds are stronger than covalent bonds; however, there are some covalent bonds stronger than ionic. Ionic bonds are formed as a result of a mutual attraction between ions that have opposite charges. Covalent bonds are formed as a result of the sharing of electrons. Ionic bonds are s...
Tue Oct 01, 2019 1:36 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW1 F3 Help
Replies: 4
Views: 102

### Re: HW1 F3 Help

Any acid that ends in -ic means it is made up of a nitrate ion. AN easy way to remember it would be I ATE something ICky.
Thus Nitric Acid=HNO3